<!DOCTYPE html>
<html>
<head>
	<meta charset="UTF-8">
	<title>Responsive Image</title>
	<meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1, maximum-scale=1, user-scalable=no"/>
	<style>
		html,* {margin: 0;padding: 0;}
		
		.contents {width: 100%;margin: 0 auto;}
		
		.contents img {display: block;width: 100%;max-width: 100%;}
	</style>
</head>
<body>
<div class="contents">
	
	<picture>
		<source srcset="img/ad001-l.png" media="(min-width: 50em)" />
		<source srcset="img/ad001-m.png" media="(min-width: 30em)" />
		<img src="img/ad001.png" alt="2015年度报告" />
	</picture>
	
	<!--<img class="image" src="img/ad001.png"
			 srcset="img/ad001.png 480w, img/ad001-m.png 800w, img/ad001-l.png 1600w" 			 			 sizes="(min-width: 800px) calc(100vw - 30rem), 100vw">-->
			 
<script src="js/vendor/picturefill.min.js" ></script>
</div>
</body>
</html>
